package com.wj.book.mapper;

import com.wj.book.model.UserInfo;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
@Mapper
public interface UserInfoMapper {
    @Select("select * from user_info where delete_flag = 0 and user_name = #{userName}")
    UserInfo queryByName(String userName);
}